Automatic gun.



A. T. DAWSON & GJT. BUGKHAM.

AUTOMATIC GUN.

APPLIOATION FILED JULY 6, 1908. 99,4; Patented Jan. 12, 1909.

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Original application filed rra -' asaarni s Paras ARTHUR TREVOR DAWSON AND GEORGE THOMAS BUCKHAM, OF WESTMINSTER, LONDON,

ENGLAND, ASSIGNORS TO VICKERS SONS & MAXIM, LIMITED, OF LONDON, ENGLAND.

AUTOMATIC GUN.

'l'o all whom it may concer'm.

Be it known that I, ARTHUR TREVOR DAW- SON, lieutenant Royal Navy, director and superintendent of ordnance works, and GEORGE THOMAS BUCKHAM, engineer, both subjects of the King of Great Britain, residing at 32 Victoria street, Westminster, in the county of London, England, have invented certain new and useful Improvements in orRelating to Automatic Guns, of which the following is a specification.

This 1nvent1on relates to automatic guns,

. particularly. those of the Maxim rifle caliber pattern,'the chief object being to provide a We will describe our invention with reference to the accompanying drawing which a gun having our improvement applied thereto.

- said cover plates B is the breech chamber, and D the feed block. B and D are the cover plates of the breech chamber and feed block respectively, being mounted on the same axle or pivot pin d. The feed block can thus be reached without opening the said cover Specification of Letters Patent.

October 23, 1907, Serial No. 398,718. Divided and this application filed July 6, 1908. Serial No. i.-@l,109.

Patented Jan. 12, 1909.

B of the breech casing, a spring catch' 5 being provided on the cover D for retaining it closed.

In the accompanying drawing we have illustrated our improvement applied to a gun having breech,mechanism of the kind forming the subject matter of our United States Patent application Serial No. 398718, filed October 23rd, 1907, but we wish it to be understood that the improvement forming the subject matter of the present application is also applicable to Maxim automatic rifleboth pivoted to the same axle.

What we claim and desire to secure by Letters Patent of the United States is 1. In an automatic gun of the Maxim type, the combination with the breech casing and the feed block, of cover plates for the same, both pivoted to the same axle.

2. In an automatic gun of the Maxim type, the combination with the breech casing and the feed block, of an axle situated between them, and cover plates for the aforesaid breech casing and feed block both pivoted to the said axle.

In testimony whereof we have hereunto set our hands in presence of two subscribing witnessesthis eleventh day of June 1908.

ARTHUR TREVOR DAWSON. GEORGE THOMAS BUCKHAM. Witnesses HENRY KING, -ALFRED PEAKS. 

